17280207

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2663}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 28813824

約数和(自身を除く): 11533617

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 2663, 6489, 7989, 18641, 23967, 55923, 167769, 274289, 822867, 1920023, 2468601, 5760069, 17280207]

約数ペア:

[(1, 17280207), (3, 5760069), (7, 2468601), (9, 1920023), (21, 822867), (63, 274289), (103, 167769), (309, 55923), (721, 23967), (927, 18641), (2163, 7989), (2663, 6489)]